Calwest Orchid Supplies

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Some of my rose bushes have black spots on the leaves.?

I have treated the leaves, but they are turning yellow and falling off. Also, we have had a lot of rain here in east Texas. What more can I do? Not all of the bushes are affected, and the blossoms are lovely. The bushes themselves just look awful!!! HELP!!

The rain really aggravates black spot. I live in Oregon and have beautiful roses, but I’m constantly treating them and plucking off bad leaves.

First, you’ll have to remove ALL of the infected leaves and/or branches and remove them completely from the surrounding area of the bush. Dispose of them in a plastic bag. Once all the bad leaves are removed, treat the remaining leaves with a product made specifically for black spot prevention. Be sure to treat the undersides of the leaves and the branches as well. You can’t do much about the rain, but when you do need to water them, water the ground below the bush and not the whole plant. Water them early in the morning, too, so the leaves have a chance to dry.

Your roses may look a little bare for awhile with leaves missing, but the blooms will remain beautiful and new leaves will grow back. Good luck.

Bayer 701260B 32-Ounce All in One Rose and Flower Care Concentrate $9.94 Bayer 701260A – Rose Care 3 In, 3-in-1 systemic rose and flower protection. Systemic insect control works up to 6 weeks. Systemic disease control prevents common rose and ornamental diseases like black spot, powdery mildew, and rust. Fertilizer analysis:…

Ortho 0295160 Rose Pride Rose & Shrub Disease Control – Pint $13.27 Funginex Rose Pride Disease Control Shrub & Rose Disease Control Controls black spot, rust, and powdery mildew on roses, flowers, shrubs and shade trees. One pint makes up to 32 gallons of spray. Endorsed by the American Rose Society. Black Spot is one of the most common fungal rose diseases. It is characterized by rough, round spots appearing on the leaves. Infected leaves will turn yellow, and f…

Bayer 701110A Rose And Flower Care $29.99 All in one rose and flower care. 3 systemic products in 1. Insect control of Japanese beetles, aphids, caterpillars, and more. Disease control of black spot, powdery mildew, rose, and southern blight. Fertilizer promotes strong roots and beautiful blooms. 1 application protects for up to 6 weeks. Ready to use granules are easy to use, just sprinkle and water in. Treats up to 32 rose bushes….

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